html, body {
    background:#F9F9F9;
    padding: 0;
    margin: 0;
    font: 14px/1.6 "Lucida Grande", "Helvetica","Microsoft YaHei", sans-serif;
    color: #333;
}
h1,h2,h3,h4 {
    font-family: 'PT Sans', sans-serif;
    line-height: 40px;
    color: inherit;
    font-weight: bold;
    margin: 10px 0;
    text-rendering: optimizelegibility;
}
h2,h3 {
    color: gray;
}
strong {
    color: #424242;
}

a {
    color: #4183C4;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
.wrapper {
    width: 750px;
    padding: 20px;
    margin: 0 auto;
}
header {
    margin-top:70px;
    margin-bottom: 50px;
}
header h1 {
    text-align: center;
    font-size: 75px;
}
h1 i {
    color: rgb(182, 180, 180);
    font-style: normal;
    font-weight: normal;
}

.inputor {
    height: 160px;
    width: 90%;
    border: 1px solid #dadada;
    border-radius: 4px;
    padding: 5px 8px;
    outline: 0 none;
    margin: 10px 0;
    background: white;
    font-size: inherit;
    overflow-y: scroll;
}
.inputor:focus {
    border: 1px solid rgb(6, 150, 247);
}

ul.doc {
    list-style:none;
}
ul.doc li {
    display:inline-block;
    margin: 0 10px;
}

footer {
    margin: 30px 0;
}

.github {
    text-align: center;
}